The R4’s low profile and lightweight (ADULT 635 grams/YOUTH 386 grams) design provides superior range of motion without sacrificing function.

• Minimizes risk of axial compression, hyperflexion, hyperextension and lateral hyperflexion
• Easy front entry system
• Provides amazing range of motion of head
• Soft rubberized edges for increased comfort
• Fully adjustable sizing
• Very comfortable and light weight
• 4 point harness for precision fit and comfort
• Youth Size for Racers less than 5'3" / 105lbs
• Adult Size for Racers greater than 5'3" / 105lbs